Home / 125,222.73-172,753.06-82,840.29

Finding the Fourth Proportional to 125,222.73, 172,753.06 and 82,840.29

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Solution

The fourth proportional to 125,222.73, 172,753.06 and 82,840.29 is: 114,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,222.73 : 172,753.06 = 82,840.29 : x
  2. Step 2: Convert to fraction form
    125,222.73/172,753.06 = 82,840.29/x
  3. Step 3: Cross multiply
    125,222.73x = 172,753.06 × 82,840.29
  4. Step 4: Simplify right side
    125,222.73x = 14,310,913,588.79
  5. Step 5: Solve for x
    x = 14,310,913,588.79/125,222.73
  6. Step 6: Final answer
    x = 114,283.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.